<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .one {
            text-align: center;
            text-indent: 2em;
            width: 200px;
            height: 100px;
            line-height: 26px;
            text-decoration: none;
        }
    </style>
</head>

<body>
    <div id="banner"></div>
    <div>
        <div class="nav"></div>
    </div>
    <div>
        <div>123 </div>
    </div>
</body>

</html>